2009 Peugeot 407 V6 210 – Workshop Service & Repair Manual

1. Diagnose the Injector Issue: Connect an OBD-II scanner to read any error codes related to the injectors. Codes like P0201-P0206 indicate specific injector problems.
2. Remove the Injector: Carefully disconnect the negative battery cable to ensure safety. Remove the air intake system for better access, then disconnect the fuel lines and electrical connectors from the injector.
3. Inspect and Clean: Examine the injector for any visible blockages or carbon deposits. Use a fuel injector cleaner or ultrasonic cleaning device to clean the injectors thoroughly.
4. Replace If Necessary: If the injector is damaged or cleaning doesn't solve the problem, replace it with a new one, ensuring compatibility with your model.
5. Reinstall and Test: Reattach the fuel lines and electrical connectors, reinstall the air intake system, and reconnect the battery. Start the engine to verify if the issue is resolved and check for any remaining error codes.

Our Workshop Service & Repair Manual provides detailed diagrams and step-by-step instructions, making it easy for you to diagnose and fix injector issues efficiently.

1. Identify the Throttle Body: Open the hood and locate the throttle body, typically near the air intake system.
2. Disconnect the Air Intake: Remove the air intake hose for easy access to the throttle body.
3. Clean the Throttle Body: Spray a throttle body cleaner on a clean cloth and wipe away carbon deposits and debris from the throttle plate and surrounding area. Be cautious not to damage sensitive components.
4. Inspect the Throttle Cable: Check the throttle cable for any signs of fraying or sticking. Lubricate it if necessary or replace it if damaged.
5. Reassemble and Test: Reattach the air intake hose and test the throttle response by pressing the accelerator pedal to ensure smooth operation.

Our manual offers detailed instructions and illustrations to help you clean and maintain your throttle system, ensuring optimal performance.

1. Locate the EGR Valve: Find the EGR valve in your engine bay, usually connected to the intake manifold.
2. Remove the EGR Valve: Disconnect the electrical connectors and vacuum lines, then remove the bolts securing the valve.
3. Clean the EGR Valve: Use a suitable cleaner to remove carbon buildup and debris from the valve. Be thorough in cleaning the valve ports and passages.
4. Inspect for Damage: Check the valve for cracks or excessive wear. If cleaning doesn't solve the issue, consider replacing the EGR valve.
5. Reinstall the EGR Valve: Reattach the vacuum lines, electrical connectors, and bolts. Ensure everything is secured correctly.
6. Reset the Engine Control Module (ECM): Use a diagnostic tool to clear any fault codes and reset the ECM.

Our Workshop Service & Repair Manual provides comprehensive guidance on EGR valve maintenance, helping you address this issue with confidence.

1. Diagnose the Turbo Problem: Look for signs such as a whistling noise, reduced power, or black/blue smoke from the exhaust.
2. Remove the Turbocharger: Disconnect the oil feed and return lines, as well as the intake and exhaust pipes. Remove any mounting bolts securing the turbocharger.
3. Inspect for Damage: Check the turbo for signs of oil leaks, damaged blades, or excessive play in the shaft.
4. Replace the Turbocharger: Install a new or refurbished turbocharger, ensuring proper alignment and secure connections.
5. Reattach Lines and Pipes: Reconnect all oil lines, intake, and exhaust pipes, and tighten all mounting bolts.
6. Test the System: Start the engine and monitor turbo performance. Look for any unusual noises or leaks.

Our Workshop Service & Repair Manual contains detailed steps and safety precautions to help you replace the turbocharger effectively and safely.

1. Identify the Faulty Circuit: Use a multimeter to check for voltage drops or shorts in the circuit. Start by inspecting the most commonly affected areas, like the battery, alternator, and fuse box.
2. Check Fuses and Relays: Inspect the fuse box for blown fuses or faulty relays. Replace any damaged components.
3. Inspect Wiring Harnesses: Look for damaged, frayed, or corroded wires and connectors. Repair or replace any compromised sections.
4. Test Electrical Components: Check the function of key components such as lights, ignition switch, and sensors. Replace any malfunctioning parts.
5. Clear Error Codes: After repairs, use a diagnostic tool to clear any stored error codes and reset the system.

Our manual provides comprehensive electrical diagrams and troubleshooting guides to assist you in resolving electrical faults efficiently.